Applicable Systems
Vacon 100
Symptoms
EEPROM checksum fault: parameter storage error.
Possible Causes
- EEPROM failure
- Parameter corruption
- EEPROM write cycle exhausted
Troubleshooting Steps
- Step 1: Reload default parameters
Parameters load without error - Step 2: Verify EEPROM operation
EEPROM stores data - Step 3: Replace control board if faulty
New board stores parameters
How to Reset
Reset via control panel after EEPROM repair.
Source: Vacon NXP Quick Guide, Danfoss/Vacon
Category: PLC & VFD